Transport Research Laboratory

The Transport Research Laboratory (TRL) is an internationally recognised organisation providing research, consultancy, testing and certification for all aspects of transport.

Crowthorne House
Nine Mile Ride
Wokingham
TRL
UK

Website: http://www.trl.co.uk/
Email: enquiries@trl.co.uk
Tel: 01344 773131

Documents by this publisher

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Series details	Title	Year	Status
Project Report PPR247	Review of road safety good practice in English Local Authorities	2006	Current
Project Report PPR251	Highway service levels	2007	Current
Project Report PPR276	Whole life cost-benefit analysis for median safety barriers. Task 1 - relocation of services	2007	Current
Project Report PPR277	Whole life cost-benefit analysis for median safety barriers. Task 1 - structural consequences	2007	Current
Project Report PPR278	Traffic management and concrete safety barriers	2007	Current
Project Report PPR279	Whole life cost-benefit analysis for median safety barriers	2007	Current
Project Report PPR280	Review of HGV crossover accidents, and the relative costs of steel and concrete barriers (phase II report)	2007	Current
Project Report PPR292	Review of simplified streetscape schemes	2007	Current
Project Report PPR297	SCANNER accredited surveys on local roads in England - accreditation, QA and audit testing - annual report 2006-07	2007	Withdrawn
Project Report PPR299	Automated detection of fretting on HRA surfaces	2008	Current
Project Report PPR302	Performance of an interseasonal heat transfer facility for collection, storage, and re-use of solar heat from the road surface	2007	Current
Project Report PPR304	Recycled asphalt in surfacing materials: a case study of carbon dioxide emission savings	2007	Current
Project Report PPR315	Measuring skid resistance without contact	2008	Current
Project Report PPR318	Impact of street lighting on night-time road casualties	2009	Current
Project Report PPR321	Assessment of the consistency of SCANNER parameters, RCI and BVPI	2008	Current
Project Report PPR324	HA/QPA/RBA collaborative programme 2004/07: surface requirements for asphalt roads	2008	Current
Project Report PPR338	Automated inspection of highway structures	2008	Current
Project Report PPR340	Thermal imaging of slopes and substructures	2008	Current
Project Report PPR341	Drainage of earthworks slopes	2008	Current
Project Report PPR342	Use of passively safe signposts and lighting columns	2008	Current

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